飞狐原码：

input:M(90,1,999);
A:=BACKSET(ISLASTBAR,(HHVBARS(HIGH,M) + 1));
B:=(A > REF(A,1));
D:=BACKSET(ISLASTBAR,(LLVBARS(LOW,M) + 1));
E:=(D > REF(D,1));
HH:=REF(HIGH,BARSLAST(B));
LL:=REF(LOW,BARSLAST(E));
选取最低: LL,LINETHICK2;
PARTLINE(1,(LL * 1.125));
PARTLINE(1,(LL * 1.25)),POINTDOT,color99CC99;
PARTLINE(1,(LL * 1.333)),POINTDOT,colorFFFFFF;
PARTLINE(1,(LL * 1.375)),LINETHICK1,colorFFFFFF;
PARTLINE(1,(LL * 1.5)),LINETHICK2,colorFF;
PARTLINE(1,(LL * 1.625)),colorFFFFFF;
PARTLINE(1,(LL * 1.667)),POINTDOT,colorFFFFFF;
PARTLINE(1,(LL * 1.75)),POINTDOT,color999999;
PARTLINE(1,(LL * 1.875)),colorEE7766;
PARTLINE(1,(LL * 2)),colorFF00;
DRAWTEXT(ISLASTBAR,(LL * 1.125),'分水岭'),ALIGN1,colorFFFF;
DRAWTEXT(ISLASTBAR,(LL * 1.375),'重阻力 I'),ALIGN1,colorFFFF;
DRAWTEXT(ISLASTBAR,(LL * 1.625),'重阻力 II'),ALIGN1,colorFFFF;
DRAWTEXT(ISLASTBAR,(LL * 1.875),'虚顶位'),ALIGN1,colorFFFF;
DRAWTEXT(ISLASTBAR,(LL * 2),'实顶位'),ALIGN1,colorFFFF;